OU wins in extras; Rice blanked

In the Norman Regional: Oklahoma's Chris Ellison hit a walk-off single with the bases loaded to give Oklahoma a 7-6 win over fourth seeded Oral Roberts in 10 innings. Oklahoma starter Michael Rocha gave up five runs over five innings before giving way to relievers Jeremy Erben (3 2/3 innings) and Duke Ryan (1 1/3).

In the Austin Regional: No. 2 seed Rice was upset after Zach Osborne pitched a five-hit shutout to lead Louisiana-Lafayette to a 1-0 win. Rice will play the Texas/Rider loser in the first game Saturday.